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Test Catalog

HVAR - Overview: Homovanillic Acid, Random, Urine

Screening children for catecholamine-secreting tumors using a random urine collection when requesting homovanillic acid only Monitoring neuroblastoma treatment Screening patients with possible inborn errors of catecholamine metabolism

PGSN - Overview: Progesterone, Serum

Ascertaining whether ovulation occurred in a menstrual cycle Assessment of infertility Evaluation of abnormal uterine bleeding Evaluation of placental health in high-risk pregnancy Determining the effectiveness of progesterone...

VMAR - Overview: Vanillylmandelic Acid, Random, Urine

Screening children for catecholamine-secreting tumors using a random urine collection when requesting vanillylmandelic acid only Supporting a diagnosis of neuroblastoma Monitoring patients with a treated neuroblastoma

HMU24 - Overview: Heavy Metals Screen, with Reflex, 24 Hour, Urine

Detecting arsenic, cadmium, mercury, and lead exposure and toxicity using 24-hour urine specimens

CORT - Overview: Cortisol, Serum

Discrimination between primary and secondary adrenal insufficiency Differential diagnosis of Cushing syndrome This test is not recommended for evaluating response to metyrapone.

HBA1C - Overview: Hemoglobin A1c, Blood

Evaluating the long-term control of blood glucose concentrations in patients with diabetes Diagnosing diabetes Identifying patients at increased risk for diabetes (prediabetes) This assay is not useful in determining day-to-day glucose...

MPSBS - Overview: Mucopolysaccharidosis, Blood Spot

Supporting the biochemical diagnosis of mucopolysaccharidoses types I, II, III, IV, or VI Quantification of heparan sulfate, dermatan sulfate, and keratan sulfate in dried blood spot specimens

MPSWB - Overview: Mucopolysaccharidosis, Blood

Supporting the biochemical diagnosis of mucopolysaccharidoses type I, II, III, IV, or VI Quantification of heparan sulfate, dermatan sulfate, and keratan sulfate in whole blood specimens

FERR1 - Overview: Ferritin, Serum

Aiding in the diagnosis of iron deficiency and iron overload conditions Differentiating iron deficiency anemia and anemia of chronic disease

ZNUCR - Overview: Zinc/Creatinine Ratio, Random, Urine

Identifying the cause of abnormal serum zinc concentrations using a random urine specimen

Q10 - Overview: Coenzyme Q10, Reduced and Total, Plasma

Diagnosis of primary coenzyme Q10 (CoQ10) deficiencies in some patients who are not supplemented with CoQ10 Diagnosis of CoQ10 deficiency in mitochondrial disorders Monitoring CoQ10 status during treatment of various degenerative...

FFRBS - Overview: Friedreich Ataxia, Frataxin, Quantitative, Blood Spot

Diagnosing individuals with Friedreich ataxia in blood spot specimens Monitoring frataxin levels in patients with Friedreich ataxia This test is not useful for carrier detection.

VITAE - Overview: Vitamin A and Vitamin E, Serum

Diagnosing vitamin A deficiency and toxicity Evaluating persons with intestinal malabsorption of lipids Monitoring of Vitamin E supplementation/treatment

NAGR - Overview: Hexosaminidase A and Total, Leukocytes/Molecular Reflex, Whole Blood

Carrier detection and diagnosis of Tay-Sachs disease Carrier detection and diagnosis of Sandhoff disease

COBRU - Overview: Cobalt/Creatinine Ratio, Random, Urine

Detecting cobalt exposure in a random urine collection Monitoring metallic prosthetic implant wear This test is not useful for assessment of vitamin B12 activity.

ROXUR - Overview: Oxalate, Random, Urine

Monitoring therapy for kidney stones using random urine specimens Identifying increased urinary oxalate as a risk factor for stone formation Diagnosis of primary or secondary hyperoxaluria

ABOPC - Overview: Arbovirus Antibody Panel, IgG and IgM, Spinal Fluid

Aiding in the diagnosis of arboviral encephalitis (California [LaCrosse], St Louis, Eastern equine, and Western equine encephalitis)

NCLBS - Overview: Neuronal Ceroid Lipofuscinosis, Two-Enzyme Panel, Blood Spot

Supporting the biochemical diagnosis of two neuronal ceroid lipofuscinoses, CLN1 and CLN2 This test is not useful for carrier detection.

NAGS - Overview: Hexosaminidase A and Total Hexosaminidase, Serum

Carrier detection and diagnosis of Tay-Sachs disease and Sandhoff disease Ruling out I-cell disease This test is not useful for pregnant females or those treated with hormonal contraception.

NAGW - Overview: Hexosaminidase A and Total Hexosaminidase, Leukocytes

Carrier detection and diagnosis of Tay-Sachs disease Carrier detection and diagnosis of Sandhoff disease

AST - Overview: Aspartate Aminotransferase (AST) (GOT), Serum

Diagnosing and monitoring liver disease, particularly diseases resulting in a destruction of hepatocytes

CATN - Overview: Calcitonin, Serum

Aids in the diagnosis and follow-up of medullary thyroid carcinoma Aids in the evaluation of multiple endocrine neoplasia type II and familial medullary thyroid carcinoma This test is not useful for evaluating calcium metabolic...

CORTU - Overview: Cortisol, Free, 24 Hour, Urine

Preferred screening test for Cushing syndrome Diagnosis of pseudo-hyperaldosteronism due to excessive licorice consumption Test may not be useful in the evaluation of adrenal insufficiency.

SSCTU - Overview: S-Sulfocysteine Panel, Urine

Diagnosis of molybdenum cofactor deficiency, isolated sulfite oxidase deficiency, and hereditary xanthinuria Monitoring patients with molybdenum cofactor deficiency or isolated sulfite oxidase deficiency who are on treatment

APOA1 - Overview: Apolipoprotein A1, Serum

Evaluating risk for atherosclerotic cardiovascular disease Aiding in the detection of Tangier disease

CURC - Overview: Copper/Creatinine Ratio, Urine

Measurement of copper concentration of a part of the investigation of Wilson disease and obstructive liver disease using a random urine specimen

PARVN - Overview: Parvovirus B19 Antibody, Technical Interpretation

Interpretation of serologic testing for recent or past parvovirus B19 infection This test is not useful as a screening procedure for the general population

RETZZ - Overview: Multiple Endocrine Neoplasia Type 2 Syndrome, RET, Full Gene Analysis, Varies

Evaluating patients with a personal or family history suggestive of a multiple endocrine neoplasia type 2 (MEN2) or Hirschsprung disease (HSCR) Establishing a diagnosis of MEN2 or HSCR allowing for targeted cancer surveillance based on...

NENZ - Overview: Red Blood Cell Enzyme Disorders Gene Panel, Next-Generation Sequencing, Varies

Providing a comprehensive genetic evaluation for patients with a personal or family history suggestive of an underlying red blood cell enzymopathy Identifying variants within genes associated with phenotypic severity, allowing for...

NMEM - Overview: Red Blood Cell Membrane Disorders Gene Panel, Next-Generation Sequencing, Varies

Providing a comprehensive genetic evaluation for patients with a personal or family history suggestive of a red blood cell (RBC) membrane disorder Second-tier testing for patients in whom previous targeted gene variant analyses were...

NCYB - Overview: Recessive Congenital Methemoglobinemia, CYB5 and CYB5 Reductase Genetic Analysis, Next-Generation Sequencing, Varies

Providing a genetic evaluation for patients with a personal or family history suggestive of recessive congenital methemoglobinemia Genotype confirmation of borderline cytochrome b5 reductase (methemoglobin reductase: METR) enzyme activity...

ECMP - Overview: Eculizumab Monitoring Panel, Serum

Monitoring of complement blockage by eculizumab Assessing the response to eculizumab therapy Assessing the need for dose escalation Evaluating the potential for dose de-escalation or discontinuation of therapy in remission...

DHRP - Overview: Dihydrorhodamine Flow Cytometric Phorbol Myristate Acetate Test, Blood

Evaluating chronic granulomatous disease (CGD), X-linked and autosomal recessive forms, complete myeloperoxidase deficiency Monitoring chimerism and nicotinamide adenine dinucleotide phosphate oxidase (NOX) function post-hematopoietic cell...

MFBNG - Overview: FBN1 Full Gene Sequencing with Deletion/Duplication, Varies

Providing a genetic evaluation for patients with a personal or family history suggestive of Marfan syndrome and other FBN1-related conditions Establishing a diagnosis for Marfan syndrome and other FBN1-related conditions

LLTOT - Overview: Leukemia and Lymphoma Immunophenotyping, Technical Only, Tissue

Evaluation of tissues for potential involvement by: -Chronic lymphoproliferative disorders -Malignant lymphomas -Acute lymphoblastic leukemia -Acute myelogenous leukemia

VHLZZ - Overview: Von Hippel Lindau Syndrome, VHL, Full Gene Analysis, Varies

Evaluating patients with a personal or family history suggestive of Von Hippel-Lindau (VHL) syndrome Establishing a diagnosis of a VHL allowing for targeted cancer surveillance based on associated risks Identifying genetic variants...

HBOCZ - Overview: BRCA1/BRCA2 Genes, Full Gene Analysis, Varies

Evaluating patients with a personal or family history suggestive of hereditary breast and ovarian cancer (HBOC) syndrome Establishing a diagnosis of HBOC syndrome allowing for targeted cancer surveillance based on associated risks...

ARBOP - Overview: Arbovirus Antibody Panel, IgG and IgM, Serum

Aiding the diagnosis of arboviral encephalitis (California [LaCrosse], St. Louis, Eastern equine, and Western equine encephalitis)

Site Search

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by William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories. They discuss the final rule issued by the U.S. Food and Drug Administration (FDA) on April 29, 2024, to make explicit its...

Feb. 1986: Mayo Clinic's Year-Old Liver Transplant Program - Insights

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A New Year with Familiar Viruses: Bill Morice, M.D., Ph.D. - Insights

William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories, to welcome the new year and discuss the increase of respiratory viruses....

Final Rule on LDTs May Be Coming Soon: Bill Morice, M.D., Ph.D. - Insights

Mayo Clinic Laboratories. They discuss the Food and Drug Administration’s (FDA) progress on making a final rule around regulating laboratory-developed tests (LDTs)....

Robin Patel, M.D., Elected to 2-Year Term on ASM Board of Directors - Insights

Microbiology and Infectious Diseases Laboratories at Mayo Clinic, has been elected to serve a two-year term on the American Society for Microbiology Board of Directors....